Woodworking – Special-work machine
Patent
1977-06-16
1978-08-29
Weidenfeld, Gil
Woodworking
Special-work machine
144309AC, B27L 100
Patent
active
041096894
ABSTRACT:
A method and apparatus for processing trees in which a clamp holding a severed tree for processing pulls the tree through a set of delimbing blades, while at the same time the blades are moved in the opposite direction along the tree trunk. A system of pulleys and cables driven by a single hydraulic cylinder moves a movable boom and a processing head in one direction relative to a stationary boom, while a clamp assembly is moved in the opposite direction relative to the stationary boom.
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patent: 3713467 (1973-01-01), Pierrot
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patent: 3838721 (1974-10-01), Golob et al.
patent: 3892266 (1975-07-01), Puna
patent: 3894568 (1975-07-01), Windsor
patent: 3960189 (1976-06-01), Windsor et al.
patent: 3960190 (1976-06-01), Smith
Bray W. D.
Eaton Yale Ltd.
Sajovec, Jr. F. M.
Weidenfeld Gil
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